{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364447",
    "entityType": "User",
    "nonce": "0xc4b7bd40382c9a73ae50cb545d3c51ec993d9a799258a872bd6bc1fb3f0d2c96",
    "signature": "0x353a97975b545eab8719a39749e77592cb91bea7d77f3cfc0dfbc6b1477b339323c7db7f60af25da0baae1af7701e7f97f0aef421e40455bcd666f3a4d101b661b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}