{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2015128",
    "entityType": "User",
    "nonce": "0xe512b3d248c8853b31b284f329437216f990f8e17e81ae4cf9391b156804547b",
    "signature": "0x60a777a09e21b408847ad53563cfcde7e06c45a3c90ebce3883e95c44681ef963fe274717e6b51ac5be9ccb33b7972588aec06a5eb36049a8fb525c3c0f7fdce1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}