{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "209909",
    "entityType": "User",
    "nonce": "0x59c892a9095b253bbf09573516c2c028701d843a3561388049384da6ebdb6a23",
    "signature": "0x1b377c85ebf80ed0b0c6becdbfa7d7678d64bbeeadb4ce7add2e5f91d6cb8bc8483a28a6e278cfeccfa0849d99b40b5f7f8881fba85624a02a819d3068db7df71c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}