{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x652cc245a616bd9957ed5ae4ecd5352e16d446464bac9e44ef7da3713ed44103",
    "signature": "0x982943ef0c0257a93d99029205190438b585b7b0af3a629172aeacf1a1a4ba45503e3f1fe86585d59f7aaf2b84ca3d9e0c8c41df019137061e20200763179b691b",
    "signer": "0x5EE0eC5017e766894D4B629B450961387F709BD5",
    "userId": "448020710"
  }
}