{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe87ecf469dd78fac60e4369a120f477b2d0fbf9c765ee6ecdcb514393fcfcfb1",
    "signature": "0x831d5ebd40b906118b8b8dd22268622f66308cb87b24cb1b2fc7fd54452800de5ce67255712224162d3714b3784e3867adca09404a278924a3423f828091b7f01b",
    "signer": "0xa5b420C5662f7DeC2A92528347Ca4C90bd7fB4E4",
    "userId": "981794320"
  }
}