{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126863509",
    "entityType": "User",
    "nonce": "0xf35fa6b8681da5a9f666efea858a2b86c505f0553a7e8632885499fe5a61ff28",
    "signature": "0xebaddaab9dce3f99ca554e393e0dfae3e8b1d0ba50dfb27182e6e03a3a11bd8b09871b6c30bd153e62e06e4458d51f9b4a7a0b235d645e11c85d645b4d5121ab1c",
    "signer": "0x375bd665fA3506eD11cF4f08304c6A7522c259EB",
    "userId": "927045647"
  }
}