{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x9205c21f364c3e0273831c273197045cbfbbea59003b5f633d78f23bfb9b65e4",
    "signature": "0x10c4b5ff9fa809de6acf1f8b48d33b4a201ae8b282c953ad54cc0517ff090bf30acd746f528a627f86fe8a8cccac6d77378f764b50b69c9554da21621def34851b",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}