{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106406",
    "entityType": "User",
    "nonce": "0xcb1c4eee65cb37c3bc5026802fff6943054dac449a4c9cb0f35a38b77cf2eee5",
    "signature": "0x78da7505665d4046d2a0afb0524a7666737eb9c4d70bbec3b07c25c70c2bd44058366e7325b1f87074ad35cb53d0aede0490dbcd2a754f1f1ae5d64504a332311c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}