{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17111",
    "entityType": "User",
    "nonce": "0xa9cdd03015dfea8e19e6533525de530dccc9bad8edbfa9e125e43d27c7f1afbd",
    "signature": "0x8cd75d4f9dbf7078ec6e8c67927891935e7a29c46ff849bd3ffc02aa84d3be93149f5e550337ac00756a060fa4ddc1937f22375e3d81ee31b3ae65ec3ab521611c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}