{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x12208a299ca4338d807d7edb289a3ef053d5b28ea05c83c24870de175475e0a1",
    "signature": "0x094aad350b1802340ecb58bc26dd4f983e24c17bdea1f536dc3f5efe2b4cd20a500bf29958cc3b88b1b65fb277e2c749f0da618e2af3aa047fd30b7cf97a28691b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}