{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xbd8cdd80a408aa6aa39f1cca18c5d662077c714790ebfc382ece9d52586cc951",
    "signature": "0x232455f7ca0aa53dc20ac8b48b2f6d1c9f15931751bacbb06ebbe07e8eab49b033d86d219065f938d71e0ed87c79080027834601cb64970c4679eb991a662e821b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}