{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3382",
    "entityType": "User",
    "nonce": "0x242305ee3526624a973e2bfeb5a45f4fb4b3ec2499992154e883f3cbdc0dc75b",
    "signature": "0x7d0e4c68179066f6e40b9cd34fed10afe64f9104c030f22a93578082ba1d2bf74f3a70437aca406cb1d0babe0f3dfcaa619f127b2904695be12c6a9b86c7ca591c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}