{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x242748e01f21c353ef0a3c395097caf67c4b10e762347b0fc5111d312f1c2fd5",
    "signature": "0x5a0b196269277bbf77abbe328c9df218a46ba3ffac958a4d6bd25c1f0ab750863b9ea29fc31fac19a4d15edf13047d5aca236a819d0d19077f32d41452c5bf5c1b",
    "signer": "0x12705C8Fe8CE886CeFEFa0d4d46E906f2c35C954",
    "userId": "477934274"
  }
}