{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828747444",
    "entityType": "User",
    "nonce": "0xc9048b9b9539aaaa059ea498f84b83b5372ed99eebc4758c254399a19f17cf4e",
    "signature": "0x51bb5ccdf1834d640bea61848cfbb25d545b0dd690c868dded56ab80f2182767424182c06a0452c969d3ee3fa4dda4626be6cd35e812b49ea57eaf290dae95881b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}