{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x92150c21f0b67379231972b83ff7b87b50ec82cdf377c7d484d8b340cab086ba",
    "signature": "0xd4060aca425c8cd25c7380c0b6a527d25af32251a918d34623ce87070eee787f7dd288da9d5f5a9596629e2e606183c4136dc61cbc95b36b5f63752c649402d71c",
    "signer": "0xdAaDca0d5fbaf7232D7865F69601e241da465e01",
    "userId": "840867370"
  }
}