{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127345",
    "entityType": "User",
    "nonce": "0x330ba22e5eb62e7d3ab3ab64e3eee03e5fa893331a4c9a1e4510abfd4ecdff13",
    "signature": "0x2581e1f2278524bfef95a77fe015de78c1b67b4be8d5dfa0dff3275ce4cb251e397dc686b9631a6ab9a087a57747d38e092616d5894c500331ed11685f005ea81c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}