{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176732",
    "entityType": "User",
    "nonce": "0xef1994dec0531be46ec8c793503236614b914e4c6153a76bd97fd57d17ab7534",
    "signature": "0x5c77fe4b8b4c92a6278eb80c5319fcb5d9b4fb135c31289723a78b3d91eb2b9e3ca6038ee3d45c3a2b59326a53ba2bf336c3840a2cd5c46a0d6b1795551e20261c",
    "signer": "0xCf51c0CB439FF3aED8c04d4676b43572a8F8FB93",
    "userId": "763179319"
  }
}