{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53994",
    "entityType": "User",
    "nonce": "0x96a731ea0beac4b1794ae627c752eee44929c326562b6d8e7d477f0bcaf014d0",
    "signature": "0x9e637f373bb23bf1c161a25a5241b9ceec3eecf7ec395a1c71bc0fcdfa6f916857173f459787a78d1195da2265d06d9b8bdbda1a4228188202155b98154721e71c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}