{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15007",
    "entityType": "User",
    "nonce": "0xd0946e76c6f9d866420bbab48a93694409abcdb7ef6dddd82c0060102d68dfe5",
    "signature": "0xf7f5cf7d4d2b4a343384b5699fbd3a32210677cc8942ca76cecb11ec06e7e4440c23b94966bbc4115fe113ec98e236deed6ceae0eacc428794c3326db67035561b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}