{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64096",
    "entityType": "User",
    "nonce": "0x65b9cd4c0f8b072d92a564ae22bda17c00e74d26552b3ed452d8769380c4b338",
    "signature": "0x8aa02fd3917c7b1e6a86b402a15ea74a9f012822be0b037fc6eab5e3c8571633508449b215acbb287fa04402f8f47e6998f0ade647b578dab4b05cae08f5e87e1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}