{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1439165",
    "entityType": "User",
    "nonce": "0xdc6d225fcbe14c46a0cb5f1ea614b2f9bc7c8041ef347a4f312b3a66f8427dd9",
    "signature": "0xc51f258318b15e66a229208c954aa95a0e26265017b5b70ababaa95f078a8d223b20274071e7c0bf1057e113678dee094934b34341f1fdac4272c786c95e3f4b1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}