{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "622825424",
    "entityType": "User",
    "nonce": "0x6ef3d7ea86f7ddd8594b0be8495d072a88b63f762dacf507c43c78d465028382",
    "signature": "0xd9e8f5f9d2af5cfdd3ff306ee9f93da9cb8230cc88cff0fab977eadf6a4840ca258cc444e32d0846558d222e9a3662d9414ee024c9ff0cda498f51bd795a0cfa1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}