{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4686",
    "entityType": "User",
    "nonce": "0xa2a6b09d4cac51e86df4fba12a618e8fbff7015e5ebc27e59dcba9a9ddbe0a5e",
    "signature": "0x2baf9d404f79a09546d55e85431257ca9f93a8e887ae6c8f83fb0d658fafdb06494d8b37f6c6e67abdc92702c4b68f47ec02b3d6af4fa8538c7ee62a6896d75a1c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}