{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x21d77b9b074c453eb620a6466785412b2c69fecea142d093b2814a32900a3f7c",
    "signature": "0x64a7cd68fae317ed5971b4146fef11cb9bbfb98657bfaa2ead22d5ccf352cf5a7c06b47b0f0951f55fbe314707f80ca3d188ff9d8c436e6979c53ac87992f00e1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}