{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3cb16019bc2699265840ae201376f5b7132d097eef1745de7c311c43ee697ad7",
    "signature": "0x1f01ade7a4a5ffcb200f8a067a25cb786c9e1af9c4d47ae80b23c6ee157e433b7fb27b0e7afea76632694d7dc83f86f454e49ffb13c8e4a322dd2d27b74816d21c",
    "signer": "0x7Ff3f3FdfD9569404F8F624D555F7B76A23468e5",
    "userId": "224852826"
  }
}