{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "783705",
    "entityType": "User",
    "nonce": "0xf946731465a0696fc564644bfcb518f69930e9ad1d6e885e376dc494ca5b7091",
    "signature": "0x5c675272465deaca1304c432e208b5b491aac461624a0ffacad002e6b753e6275a3b582f96599ad1a03c4a4a01142f11a6d21ff967bec40475e4fef1944833661b",
    "signer": "0x0bcE53d312886f0Ebabf971B4dbB5c9a3807E720",
    "userId": "722764767"
  }
}