{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74085",
    "entityType": "User",
    "nonce": "0x37a7064f1b78f590e3c1148281dbb6a0764e39413de3c704e0246e8e7870a97f",
    "signature": "0x32c784737950b1fae105040f828800b5e46c258ffa5edae857a33582bdb6101014482bae89d3dce8856cb5f7f89a242959a1ec432637997aacc0ce9b4f595c7f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}