{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584616263",
    "entityType": "User",
    "nonce": "0xf002449296f8c948749f5e2eb4252f36ab1e524b4717ce6a6171f1d8634bfd75",
    "signature": "0xc1bce117207664bc337e5425c044e8b740e0fb50ff65030116b7bc4e6f9fc324280db2b84c14805354b7772aa02339a90f2e70e60e1f303bcb5ec88a6a7327c61c",
    "signer": "0x1B7594799b4E189Ff1B3C4fD8289B2e8d82B000b",
    "userId": "66769284"
  }
}