{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52309",
    "entityType": "User",
    "nonce": "0x973b60903564a809147d5eff149c945237a1c4546829a8fa93446a0e827b58da",
    "signature": "0xdef0368ccc2f5a3bbc78e3a542d4adc2276aa083c50e9543deaff53bf1474b0d3f3e5c9460af286d4ec8b15c8620561b5ff0a1a8d327d70cc8a62050632530121b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}