{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38884",
    "entityType": "User",
    "nonce": "0x34067e6616444678d9d75b642beda941dcf8dc662b47bb55d75b93048291f30d",
    "signature": "0xdfe4ebe1c662e50038de6a9f695588c9eddc59a47e421ca2db2866ec0ab5ba9758a228ee4c8aa0801bbc65617fd267ad3e5353ea94ecca53d46d6cad4609fa0a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}