{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5413",
    "entityType": "User",
    "nonce": "0x30e05ce08b0ae4d23d336414f15381901d82b32b836d03307dde1f55b6fb0e06",
    "signature": "0x08095d359d50ad7ab74e409619a709085a08476d4a190882d3f106c4599411e57350f9629aa2c137325f97a027e89fab2ffdbe65650550e3fd3586f5c3a071361b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}