{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281315",
    "entityType": "User",
    "nonce": "0xb23662d515d29487d71375f46684cba1f2892e8f4f31a27da58fd18802ff4f01",
    "signature": "0xa4cd5c4049153e219cb3a3c6db95b45942f98aff7e631fe9e28726f23e7ffdae67a0477f9c452a80ea0923d2cc4456bce19f6073faca2cd2652ac31414bec2e21b",
    "signer": "0xa24498458c4D424889FfEaE6EdB476c8E35C41BD",
    "userId": "787951188"
  }
}