{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "909603442",
    "entityType": "User",
    "nonce": "0x940b95b862ea01a892446b0a80c8bd186e2b888488b2d097b18077bbe0b3b3d3",
    "signature": "0x326fd1733b83f81d0207c79b55e4fc74cf8b7db8ef7b26f9499e2f28d4d76fae7129c130040c22ebca35b62287fd817daca255c808688236f52e0e91bb3293dd1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}