{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829358377",
    "entityType": "User",
    "nonce": "0xd004edec18dd91193df2e1952a2bdbbdfd7ea74c5b38afc1070e62f2ef9f059c",
    "signature": "0x37f5ee476a9061bb96e43194875a30950a0c7e125a7c6649cc318853f7c13830445b64093c488d87afd90a297f6e19963c3b99b4dfbf0ba483784d0d6a7fae3c1c",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}