{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136206",
    "entityType": "User",
    "nonce": "0xe4c31ffc162a15e796d9e8288b47cb61b824bf8da9637cd8c44f0b207147c951",
    "signature": "0xa64686dd3c9965335255efe0646da5d44af461a4ef6112e24fe1dda9aa2b9bc675b5e1eaeb881da90a9b5edad917759ebc2a2154ee50eb6ca0fd22f08510b4771c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}