{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76669",
    "entityType": "User",
    "nonce": "0xeed36a7edb287ed006177d37460f8cbaca65a28b66c2cda4a0b7d2a7e9c69115",
    "signature": "0xce030f6a06c891202af573630b9bea2093037e80c8b031d77b81615baae17b2214c8edb0583e00219e239f09c59e5397fa45bfa4b5d862a0f8fa80cc7443c3491c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}