{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "703513220",
    "entityType": "User",
    "nonce": "0xc0974fc74da7ff8effa76c7463d3418dd72fe8a3f074e84bd4c6c84542a34fed",
    "signature": "0x62a87d704cdf426e62e7e56ccc4bfc897f8ba14989629ebe8f5f25f19fc97853632e0c4fab4cdc8987a03afaf24c7b39031d809f1dbc4ef621e3494d626c0ab81c",
    "signer": "0x1c4e2947b5F9FA4A927a23897193150631C1DA35",
    "userId": "933435942"
  }
}