{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151445",
    "entityType": "User",
    "nonce": "0x6093c7c376f815e6334da254b5d398b2bcb97cfab14cb5f4c51d288e5c05dbf4",
    "signature": "0x984793c9b3d62b2f08b12c4e7b16c3b7cf052d7bd4ad348f2c5494d6295eb34176d3fc83b64ee552bc3fe53581a3fa2449d3ad831d874cbd02a3ae616eb8a57a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}