{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x665e6a16c926f735f81b8d03ecae68c6af311cbecd8886befa79d0f4514aa259",
    "signature": "0x01016a9a3e1ead72a532a1dbde3eb2feef8a52ef3f955dd0dcaf084bdff1137f214cfcac1dfbf415f39ac3bfe7d8857e58f24f2c1858a460df45edaa50fd998a1c",
    "signer": "0x1Ed1f2058c8099D545fF3482b71e7aA41429C008",
    "userId": "347815481"
  }
}