{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xef3eec2a577efbe6113528f618538323bc5da2cf65f20718f626795795426bd0",
    "signature": "0x1d7eec2383b59cb631542a14fc16ef7cb57c63ee12433abf3f99ef85a2a216f2478942eeb33f5e396789528505c85fcb7eb612bb30a1353d3c37542a55ef6cee1b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}