{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964899801",
    "entityType": "User",
    "nonce": "0x928f6c0298705432d7bce36cfac33bb33694fdeb2cdc81918a56621ab5a0b5da",
    "signature": "0x8f39e19e61875e4a71cf1b49053083425172dab39b52884c176538ece5682f922c0dbf295977180571bd2042f4d1f1fabef323cd573d5a1e84f530e1628e823e1c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}