{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x96e137a8cf4c57cf6780f3fab36e68b598be889fd03a8543757f18cde306f23f",
    "signature": "0x408fcef66bb787f5be1ac607859ada4a0062deba7fb5c44386a64c0c8180c28b09de5a85528d18b5698f68571cc1baddf1e3e603e52646031c418e965d2c8bd71c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}