{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94308",
    "entityType": "User",
    "nonce": "0x5603029a69b10419aef102b770ee9a0243cc57c4e3521e3e9a775844eb38a7dd",
    "signature": "0xe19add052b7c9d931af29dfe329f98355573a014b7ad901430f5ab8284e0cc501144b57543c3e7a1dc5cf8fcc34e903fe54c3ca56d0886a331ffa7194b9b3ddc1b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}