{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x04d03b3f69b879222ba5d576d0482e68a188d18fa5f5d9c8e8d992f8e6f903b5",
    "signature": "0x0b9c194bac42669bb3eec4b36cf6999f241e91539bdbfaf4c01be5341fe66ec01672924d55190a774f8570d9e9898e5d6c9ccc22e73052103349d601b67e48901c",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}