{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156881",
    "entityType": "User",
    "nonce": "0x510326ea963ae1a13ea4ee887ec2fdba87a1d81ef9fc901e1d0eaf367d31a23a",
    "signature": "0xfa34314c593aab5ff0b088f06caab453d168714dc3858f74c6ebfc0805eb381913cdc83f27b43176681706e63d57e16d37fd2d7f9e6be5babdb062d868c13f761b",
    "signer": "0x84C613ED41323EeCe86518c76e016D159Ab92987",
    "userId": "526151937"
  }
}