{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0xc291fe9305f7fbd057c424f6a43a83abe38b5b29ebe9c2807f47ce696886dfe2",
    "signature": "0xd2d2825b21bc826fef3eb628943cb044041539b9b29b2414639a548f9725e7e61e8de80a9026e67205eb65a7dce5e660b0ee01acb2301e4fe1b6c7158278fea31c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}