{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4abd57b364bd04fed6eefbb09f92f0bfd185f0ab0f2b988f64a92a623ccf9418",
    "signature": "0x251be77f21e2d3b64c1105cfbad2e86929edbc95af2a1c849534c4f02179d3ae00419f0ea649540889c943b2423bc4c22c888727e2deaeedfb100e5e1b3123171b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}