{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76019",
    "entityType": "User",
    "nonce": "0xdb4cb45d654c5c84258ca711285b66c873709fa71b7affeaed1972105d46a95f",
    "signature": "0x16a73d96fedfd84c20e94d2de206f8ddc1b4ded615d98f720ad9611b4a5d7a1e24104127416c4e3d1539b89539c602cd711350bed9ac3b6472e2172442d70f671c",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}