{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117877",
    "entityType": "User",
    "nonce": "0xcf5d1ad4db2bfc4b411bcd19b9796638d0ca22c68c4ed2fb29319fe75d312c85",
    "signature": "0xfed2f03a708cb80a2b6f2b394c22aa4844f008cfbba281acd6ba3a453d614eaa693ad3c48aa61b38588a817fc40ec8732b9f420e44e39626341c9cbf50167dcf1b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}