{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "824478223",
    "entityType": "User",
    "nonce": "0x41b5f55ef3a852fd7112abb4dcf48896b28b0d41d1d40e544abc3e699c61a1f1",
    "signature": "0xeea59417819c5bf40e730e18511b37679af0621956de00b74e24da92473436325113c6154ae65a13b84944bed4c5c36cd85fc81644fc49c510b38a3bc03709211c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}