{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xb24a52687c168fb0a4118feff312f448f36064bc399eadd8cc2b0cc0f5df38a0",
    "signature": "0xd9d4de834d1f68b41b7648bf0625ee7387c7127431f25071c7dc7101c7a40cb34e7e74408e9ba5c6dbb5e21b776ceb0890b47fd052fbbc1e87b0767bf149c5681c",
    "signer": "0xDe6128EEdBB4d15D391871267E286E878C7011B6",
    "userId": "144906061"
  }
}