{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55875",
    "entityType": "User",
    "nonce": "0x8c377ecea0dfe77e02bac6e09fe04b9428e5f3dc1e758e608aba079c90ceaf61",
    "signature": "0x608814ebc260be8e8118ddd6acd8cdbe7607081e3dd4e091026e074d16c53672544b929893922373ef798b238328ec80ea52d0fc3bd6f44869cee71b493b61651c",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}