{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117290",
    "entityType": "User",
    "nonce": "0x404bca9773a94329143c09eb5e6a52b0ef5ecf9c21b7fd9054489fe1a67aa4e3",
    "signature": "0x2b3450112780428caea5a783451bfe69801729e71f294cae91d2130aa7763bfc30f8440fe73048e426d782c288b880c7ffa66c49e05cbe41fe571ce7414d0acb1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}