{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144585121",
    "entityType": "User",
    "nonce": "0x221efdb10021d43a0dc16631724055f944e9d9b58f2d35867f1ad9ee73d0f942",
    "signature": "0x480e76df8b50965be1716a35d5912524117669bb04474708ebfd1dacf0fc309a07c18f3e2911cce683d063c8206d90f8a853e84fc937ce9de69adc0e250d3ac41c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}