{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322149",
    "entityType": "User",
    "nonce": "0x08a3306a66d5e8d6055e02f662e7ac77878e09e3299ac2772ec5ac4718f0201c",
    "signature": "0xa153d500ebf5f80aa59780d0f95046ef0034af5ceb8cdb0e4c6a2e34fe746bc55ce7fdb1af696858f2215b66b3ea9fa98686811e0383e32005009490956974521b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}