{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0x8a23874b1de0b78a30cd940a4e1908d17cbfb4137450252efc1fe3ca01b7200b",
    "signature": "0xaa67e4047c2a88cc436a94fd2dc8dd71d870809224f7ff7b5421b11dbea935e720a8c8c2ac4736f734d00a00140b6764c009b1a275330e401fdb6cf3ded1dd031b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}