{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x91e1827b143c7defced6bb2b895afb13b85fa317448687328366438c93ac8930",
    "signature": "0x9a71342ffee3478ea956aa53b91378d74b82f4071fa392742472b42ca36393031dc34bbf817ad71e17803dec391ef86bf14df881feaff6f4b4e686dbb6870ae61c",
    "signer": "0x03f23B545C25E9A6d1e2007d77344EbE9a521Cf3",
    "userId": "325096995"
  }
}