{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe29aec6568c289950ff39c52c1ce88a6e30e809d7c955bf729b68e8487a8eff1",
    "signature": "0xdd682885a0dc9c7c1d46a8a61990dab5ed7882dbd56fb8cb9b3bd952dd3be4256eef8648e824355b875f9be595c2b601a9ac2c5e18448cdf9163acf1b628be981b",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}