{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0be1a3a98b5a34352946b4c61a53a413bfbd2812ac44c5dd1bf3ac072b5ab002",
    "signature": "0x765dd9497a1337268a63f46804af84f3c337ba90cae809312d60b723b3c801ab7ba6aba196ef5fe9cf7a523c0526975887a512a587b1ef8a765ee2e04b702ab01c",
    "signer": "0x934Db5f5C1A0639a5C916d7B94bf5844615F71DA",
    "userId": "753385178"
  }
}