{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x90c145eeb9f5a390ec10bc80a420baba5465bcbc793eaca4ddb3ed50cad48e60",
    "signature": "0x1d6b261985d13e37ed439b7dadad4016263accd16a368cbba191ded1bedb7ab44c4274c4b3bc52e10b33d0f8d93428ef04cb7c18802de814b4ea4f629e0e075e1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}