{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x4b9123a17973b7fced72185449534e8cae07aca3f6f7fbe021fac6bc0f7f7519",
    "signature": "0xbdbe7bcb123cda068c66237a32125a8207a2d95bf1ac4df071e92ba68f9bd677599893a519205f6ab9d1fdcbc0f8ee024c7ed4bd9f62f107673125b8833da1dc1b",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}