{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "487285804",
    "entityType": "User",
    "nonce": "0xa88585bbeb43b9268d2fef735f082a146f11f399de4b4b6aa17117940619d6e5",
    "signature": "0xc6f01ed5d2a669ad61f25cf0274e665a35b83bfdb9ea41996af626c68af808240b0400d5a0cedbbb0e6266e6ec6df2eaba94da61b2aa77b66205a627097cb1171b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}