{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73514",
    "entityType": "User",
    "nonce": "0x53c845946a86beb2a58065fa76b69bfedc886aff3bb97cc8a466da20e1c349c5",
    "signature": "0xcee8286edd3c28d262f2480d02be3da3987adcd665b16eb37e93b98371e6b7442acf78aed6a1fd18d5ca6d700b33ab145cad1d7f91772aff76abb5c119a6190a1b",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}