{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0xa3d6127947d15e7098699905490d823007874febef625a24abce60aa4a5531be",
    "signature": "0x3b6582e3de5cc588e20f0d052baed06c954d384f0896a4ea88fb2198d1c3a7b9285fd2065d57163159084b95725a3a6a858750cc3bc5e3f0ebbaab17a37351ca1c",
    "signer": "0xC1c390791Cd8584Bc0D056AdDe5c3D747aA694d3",
    "userId": "395219571"
  }
}