{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "756082",
    "entityType": "User",
    "nonce": "0x3b4bb941744c74ef8cd3d1afd6ebd3a8e8a5c56e40c94207838394cbba74c446",
    "signature": "0x572f297f99ea0ac888040a1ae3582609ce5ff0b48d11f9970083c8e78d5cc2921bb30bffa9242853ea6fec4ccf4d9661cb47191589461861de3726f7c410b25d1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}