{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0xe2a5bae771d87d34bacfda588f827899b0083d6f36f43e38d847e498e5a70bc0",
    "signature": "0xa39520c3a19a144387329d76d749a2137907a211250fbd9d1106d41f1807137a38da87ec65dbe8912e96d1e4d8335cf63dae63c2212e29c9bb063dd84b9fb2161b",
    "signer": "0x5f7a2bcadaC17cD6C8Fd726c2Ba3dE8bE24B7D31",
    "userId": "629635445"
  }
}