{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176232909",
    "entityType": "User",
    "nonce": "0x5472f905be7d771d96c5e2e978dcf960b7566af1c58509282dbb4ec1c1f4e873",
    "signature": "0xffab898e746e52d31343eef8ac63407286da2c2db921c49f9a675ccf243f2c294a76d72611b011d0c5c6ea943ef86f6db00bba393abbdffc05a160884b3094c01c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}