{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x954a5afab2695103b802ef6ba8282e16d787400bbe866de7be6836bad594dd19",
    "signature": "0x37225b5b195387fcca8ac4ccb1dace92adfc75ceaca9795debe23b8cd1fa1c754e31ddb911d0095ad43687729881669593e77752297b52fd4eb631f3792731181c",
    "signer": "0x29d0C785abd77c22c6a474D3c1873C6e92877619",
    "userId": "388884075"
  }
}