{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101562",
    "entityType": "User",
    "nonce": "0x5e6584a175ae39d319979ebd574b2fe818f697bfb60ba726f4fd1bd358997ee9",
    "signature": "0xe594023c6864d55bc341e8efb94b531c5d61450ee2451ddf5e8f348310877e615f315947adc1a9e5e75ce6a1d0b622cf74b6cadd8cb8f7f31cecefea9d95ccf31b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}