{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf41fa78cddb44aefa5e2ecd9507abbe0dca740862e880a2b3a491ab90fb6bc8d",
    "signature": "0x6cba7a3a794e87598755f686a030c0d4e6709560e39eab563493d7c012141ba8581578c1ec9ae21270e3fa9418268085679e3df341a5663d2328348511ba0da71b",
    "signer": "0xe1459FA0cBCA42B80AC4E757558a6F883577F05C",
    "userId": "264721264"
  }
}