{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x549e026339db6fb878981548331bd4841a7fead191e035192134a2cbf1cb28bb",
    "signature": "0x512be03402a672885121036bcee685a7d2eec4046c9b39678c61749ea60637f66caed9b8f00a7b7ab79522247e8decd2aca3b338f5b72de8bd52d2fbaa32adff1b",
    "signer": "0x069B8AfA1738ee411F7138e49d8baA21774732C8",
    "userId": "403438532"
  }
}