{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "978785085",
    "entityType": "User",
    "nonce": "0x2a5fd6894c877d481ee758c42e7b18930b569119331bb016e92e96db9e2341df",
    "signature": "0xef4b96e77c5b7de07a069e0ff11c60ea8cf7eed187b650756ae8955af8a4b5f0781114b1ed8dcd3378ef7f9744daae276450ce27818db766b33c94dc7edc79931c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}