{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206753",
    "entityType": "User",
    "nonce": "0xdc9bba7a64363cd9f194f88c32fb2bb64ae5039bf9244f11f5a06bf7a3abd543",
    "signature": "0xd89bdb7eb9e8527711f4d247d3c551c2461dcd6e2a1ec46d8902152ed16e72ac1ebb256e76294f0807c5c5fd81681711a7a216850b50503499ecb24395f884cb1b",
    "signer": "0xc3414CC9557B9660629DE81a76b7466fbE8CE07d",
    "userId": "902798305"
  }
}