{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0xa5a593130c41035435e5756c46b7ca778ef7af9801b38f18dcd7b90359005f80",
    "signature": "0xe7d7e3c10149ef848d59a49613e055b68335ebacc989f801950ba041bf89730e6450f0faf45b11e33dc2b33ac7164968f9f4072db62f04bed2cbfd7ad64d4f491c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}