{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1807579",
    "entityType": "User",
    "nonce": "0xed16c37d7bec0910bf3941fba7203824cf061e73613be2db6d233a1edb4000de",
    "signature": "0x35d53e0c9386fb52ab68d9d19d688fef402f6d53b8930856e10718ca82c9d50b610c8ec0c29fe885e42278c5f661afd13110c4396957ea682a8c8c39778333ec1b",
    "signer": "0xa054C1f5f50fBCcd1658Cd64C953C4b1f26f56A5",
    "userId": "298949663"
  }
}