{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51232",
    "entityType": "User",
    "nonce": "0x96352647959fbe1e3a4d481354b653b79a7566b59e143ccfd30f738d9ccfd41e",
    "signature": "0x46893d23bcc37ca75e08fa6a762e49ab0781a0ef1766eedfd8dd5606af6b3af631542eab619999dd8e03bb650380b08ed4a937e400d6bc8df1a0f389e729ba541b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}