{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65239",
    "entityType": "User",
    "nonce": "0xf87021c6d5bc520c55fcda2e9b3206fe304071f391356d2314a4649237d77fe4",
    "signature": "0xe0b596ab13a6bf20c27ae41a1ce77102e19ff8adadd9306221505efa4931f86e18136465a8f9cac9f715156986751a25f51ad3fa277d252c12ddff489a70273c1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}