{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "817162199",
    "entityType": "User",
    "nonce": "0x3cbc49e9ab267122e4d143d64bf8f9e5bb315e7bf9b0079fc455dad5ce3cdddb",
    "signature": "0xb6e1ef3ec278fbaf5c74c2fd2ca004a42eedb832ebf93204d600e886110255365712bc063ca4cd0ed74786cac5be89abbeb19fece1c2ba3d35652e16d45a40061c",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}