{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65100",
    "entityType": "User",
    "nonce": "0x7cbae389ce4603a720c3aacdc1792f360c33cc30d22be3b04f061f9066dc03cd",
    "signature": "0x6dfba8ce4f283e0f5b6b1c812a45860b92f1b87c87412f086dcf8a4a32ac8ecb6893968b3aa09da27d16ce4771ab59e7d0d134ecae4af32c4a1edae9e55ec40c1b",
    "signer": "0x07691D0C34E03020A13BE4B5a411B64CcFff5556",
    "userId": "9014"
  }
}