{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323361833",
    "entityType": "User",
    "nonce": "0xa6f33137402d5d812a6d8a9e3410718548369c037a790b7c327b566e92147e2b",
    "signature": "0x10cb5dc1a2385cce0d7b080d6cd0f4812edce61533acc026fa99985892029dd067c0bcf91de64b769703af84515837f4853d6ed9d02a1d0494c5276248dfc99d1c",
    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
  }
}