{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296445",
    "entityType": "User",
    "nonce": "0x738269994c95659415fa6d2c4810b280f882ca3b0fc28efce9d1b1c6eac25233",
    "signature": "0xce31817be7ec80176d8da674d0dcb30d3d22aa1723d1067cc0e5e3f0ad1aa7916583d191a07c1421c4deeef7a3f91615060713ba884ca744d8a5efceb0f0fd9b1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}