{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38028",
    "entityType": "User",
    "nonce": "0x3bb784a8115316eb62ad7328108ef17eb2947794d0ddad6467744b3b7ad46c37",
    "signature": "0x048997195e3e75e6f4f9d6f6de804073f1fef388cf4f7e2a698a1e454a69b1564d8d6b2dc9ae3588bb663dc3f33c5c8676834fc6757ec3d441d4e89bc3e7a7691b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}