{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67239",
    "entityType": "User",
    "nonce": "0xe0a8a3938c5eed97a32f812fb552a6784144020d3c3766f9fafc6eca6a388958",
    "signature": "0x1177957430a76cc3ad3c65ad0645ae275e40addfa3cc557911ca79fffbd7935f3d194606de85f4ce76e08b46a6f313fe007a69b1f94a93696294aafb35863c5b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}