{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110428010",
    "entityType": "User",
    "nonce": "0xacf7075e690f404dd40a231f68a823b4ace555490e8e82d23010450f00505133",
    "signature": "0xb5d3b5adc22e60a9fe9d3b47391e4ed6832050bef6876520dfb3ad36e4137cb01abb23eb68f7aa383de75398ccd07ebc097d8205d8961576855212c7db7f2ce81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}