{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "800565587",
    "entityType": "User",
    "nonce": "0x170fcfeceee7cc63d0f211cc5884b15faa857e7bb8e866eb602b6b7f194ef4d5",
    "signature": "0x03133243d98049b009e0e7ebd246cca3faeeb65f34b243aa140f2fcced3c820d3fa60605586f3fa270d9e07fb8b87f751e539bb2fac8347bacbd6d381aa59b071c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}