{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112390",
    "entityType": "User",
    "nonce": "0xab8c780b11f778b05422bf5e6a99408575e2806254be3b762a58f052940009d0",
    "signature": "0xeff574bc1a68ce2684c112c329e339fb2f6f18f31ae1195c5b8031764b00bc9e752772dea380b8780b182be7903439baa6c45c187c7fc0096ad21fb3c88d22851c",
    "signer": "0xCaE1ee7dc4DB493ceab857fd89C09fA305C4c5d4",
    "userId": "648743045"
  }
}