{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943474958",
    "entityType": "User",
    "nonce": "0x24129baf0b6ff29655f13ed8172625e7a7c369243269ebd354a00b754ffc026d",
    "signature": "0x0ce8f6611005728fdcd8d19b97327467f8ce01caf09fd08e7344fc1fc6535f0a06793e2b78b1e4718b7a106e24da3d6134e07b76cbd1500c124ca421e32b36b11b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}