{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156881",
    "entityType": "User",
    "nonce": "0x315335cf2116213f99ec22f08854dc8d29ce26e1dd7ba9cd7451306eb9a25251",
    "signature": "0xaddd240db90c0f41fed3393d6fec2ed7fe75a90a476728f862bd59d7252ea7297a2640e984abb448fd070f9dbfcfc51ff88746d9e7543889c1d62b69127eedef1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}