{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142569652",
    "entityType": "User",
    "nonce": "0x20382e5090307c53fc21df52d7b3b2a9902a2866b36880f576e92a04e872292b",
    "signature": "0xc381c9b3e204e2231684f2c0e6fa82799f510b594dc1c872f8592890179343727f819301a84fdf00612d963197a28916ee26a123af890c74e798ee7b062c6de01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}