{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184140",
    "entityType": "User",
    "nonce": "0x8c241f4d7b19167325065851f7868c1deab59c223f34d423b72e43ecaf4fd15f",
    "signature": "0xe028d0666898d50cd3224354b1a60278f365425d89cb6dd33adbb28f95bef2477ee73d14e2a6df3d0505a46f1abf8096477b865308510562b0cb3e298321dbe11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}