{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "834064217",
    "entityType": "User",
    "nonce": "0xaea5e6720d1cc1313600cca9652b6f88036f55e4c6500372d1e3b5047950b1de",
    "signature": "0x216858795f7b9c5b38ce42bb1cf407dc65cc77c1bbdcb9e8048a2580e075f9c968547a0bcd9ea2bb9c3dc83e8772c9df4be0a0d2d9c3b366118549f29ba4af251b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}