{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236945",
    "entityType": "User",
    "nonce": "0x5900c278b9b00b76307c697db5318e2a8d3450ef47a34902a13e27bdc110c31d",
    "signature": "0x68d6f70b70fac6d3ecb0531fa275f76730c12f7dcc714350b260e3db4dd3c7f62d04e59db5e065cc7bf791d110977fef9136b34081cf5d0cb9fd2a97ad5d57481b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}