{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632717",
    "entityType": "User",
    "nonce": "0xb7010e896216e5cc0376601b87ef13748e8ad30f6025dbc89e62641463774f07",
    "signature": "0x6d3bc5c49a49dcb4dd4c596eaa7ee79df39db593f86f10135b41c95bbcd64a8b0fa84309915d4e47091f8a5a53179d5b21dd8b7e7d0800de6b27613ed176c29b1c",
    "signer": "0x1d7977a438bBF99AafdA2633A385c2989813552f",
    "userId": "447156818"
  }
}