{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "628574011",
    "entityType": "User",
    "nonce": "0x1c517d9d0083e28474ffa05b86daf5ba8ba0a7831b8d371aa7a6ac1cd30582c6",
    "signature": "0x38b1ad668238228c89a47a6fda54fd92a61d9186d110df8af16765e487ce39076755e9be28c42c90241f94a93b357ae32627cd5bd16aec301d19529dfed79f5d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}