{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "280069793",
    "entityType": "User",
    "nonce": "0xe0d63df41593665e64f2067eb3df2f948816af12d1f7cfb51be4ff420260e43d",
    "signature": "0x259ce4be5a6874ac2a480a8075d0ac47eef84870d04348e533791f7e782e103f4c4ce8e88154bd9354b334fdb7aff0e2779133385e9e4771c2dee489c38ab9641b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}