{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0x282450c8e3e21311649816cdbd4a90cf78e4aa833d4086f9ee37470c9bc36184",
    "signature": "0x16cc984c2481600aa1718a98b8ceec37ca93b92540cc6ba3dadb1bb9e028b2233cb0b8a53aeea7d3086b2029d8d9627c152ef508144b85ac7689a4f9de0f8ceb1b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}