{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfdfe14395471e641717af70ab7cb95605449702b3675f2922ecf265109d51fa2",
    "signature": "0x43081ff509031c07b160d699ecc182d533f24df750b1fdbea1ddf72beba4ead178654f8f998aeb21ad998f3443acd0312e4c0594b49462640773dafbb5ea55771c",
    "signer": "0xaa8Ab6aeD27BF1caFe5177dB3A5f057376f82dFD",
    "userId": "818723170"
  }
}