{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360658655",
    "entityType": "User",
    "nonce": "0x85d0357cf70267554f42e45dc5b980e483463980aee8984e7f69a10bcfd36e72",
    "signature": "0xc007ecbd1aa9082bf117cccd6ed419a4859fef59337526430f99b812e9e64e974c973bfc3dbb3b860b5c1b55beec28ff1f195592126d84ce43d7cc08c95592531c",
    "signer": "0x715A5d320e133F509f3675872cbF21D8B0e129d5",
    "userId": "396577"
  }
}