{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfa2b079c43758785ca1fa1879f332484532bc7d771cd025425d9cf6f5c8e06ee",
    "signature": "0x96b1f80d34aa180130d237ff94e2ba0724bc3a5e739762dca42d2f27f0bef28a45f5c0d63fcfc3de83e9147a3ddb1294534d900a2e5767eb9ec6a7f490657b401b",
    "signer": "0x1E690f8e14A0D63a4b444c3bf7f582f98FB18b36",
    "userId": "861576501"
  }
}