{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70291",
    "entityType": "User",
    "nonce": "0x25092f13ea37c67293d4eb161c9b33b736c955f1b914a32ebbddc24376aba28d",
    "signature": "0x1d0a486e132096b0e03fe54cd55c23ddd8bf14eeb507d04d9ea6343a9c31432025282af1c22eb2c54e0e947aad22fa0802008f35f4cc01aea7a5d4dba6aa5acd1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}