{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4aa5002f17e8da47ea7fffcb34e1f7914267bb5a5da6c4321c21d1038ca791d0",
    "signature": "0x462dfd02f9b17d546aaa4c553578f7f539e2b0b8e077f18be82fbec115246b4218885b2d20181e8318b983535d172c219e61c9a3e60efa908c7b9905fd0229301c",
    "signer": "0x1020fB3dfa53DE172A71E133f26C31Cee61eCBE4",
    "userId": "611266182"
  }
}