{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301637",
    "entityType": "User",
    "nonce": "0xfb3e5a98e33f3d462bd9c5c31e0f7c28ba1f26e2fb0530ad440740193ef937c3",
    "signature": "0x946034f9181f6ac37fe87f03d996a9fccb228580ca470d931c60ff25b95dea7264380f3abdd787f646ce445da535346eee0529bdc8bbbf4fe0729632b73676461c",
    "signer": "0x92A54e77f13b9B7051f80e851698A1d518e3e2ec",
    "userId": "663465431"
  }
}