{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x48b2648f7f6118c7138cc46151893cd04d04722ec746a76c8356472fd626306c",
    "signature": "0x2d1f0e677c2578c3d359417f4706cddc80441ee137b32f8d6f5085a07c71c5b736446a69b84e345aa1ad324b0e2113197be4a75a41e7d8db2e582e97a2f6acc61c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}