{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72237",
    "entityType": "User",
    "nonce": "0x586b8bc69827cbfefd7acb1786132ab688544d2700a0e7ec4d6231ddee3eec13",
    "signature": "0x936a73a49e5acebbb84aecd1273d8f3b23849193240a73cfd2b8b46eb847635a4898c4a494d7418609fcbd8dfa986996bd7f5b958db1aa7a177d10607904f4bf1c",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}