{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "722965910",
    "entityType": "User",
    "nonce": "0x3f7c04653a6ac9a78561d13d116a062d9931ea9e0fd634461108398d45d9f44f",
    "signature": "0x6cd5efdd23fc3f4b39169ed77c862a28e0fc6c8ff4e1f2498bbb82b7ac694a607e72519f67085a857059e9ad6c034e6923d109f43bdca7ee3b8543e9088468be1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}