{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x6a019018173f26165a1d6d889835fe593ebb65b8ee287add5a043ee32d63009f",
    "signature": "0x3421131ca08389e574495a68d29747a93debd5edfa83a7f1686c7e4d72523ab6522c9053e93d4ef5d3573173f015ba86d3b4f58bde10219d8dc1682673f90e491c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}