{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xa9ceabf16ce1771df3a37f041fdc1db81e7b4c5cd84663231715b9ca8d0f3c21",
    "signature": "0x19979fc7321c23a31076c58bcaae1c7750749ea7c53b78c128e31314874b144151e21e7f5ced8fa404669250e0c95e9fef50e76a2802ad13abaa97379006615e1b",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}