{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0xf065115cd0a5a2155fb2a6e2752166fcb5e5f77f4cc41abb7a306eaa0fdeb022",
    "signature": "0xc96714a15d8c9661f07785694f00229f40a93bf61acad38f561ae90b7d432ba6160cacbaea7fa329d6fd1a6e449cb98df2c9a7f8736822508c5d7522f7951c731c",
    "signer": "0x07cB076DaACCA202F3ffB2dF4A778b16AcEf28Ee",
    "userId": "998685050"
  }
}