{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "379808",
    "entityType": "User",
    "nonce": "0xba58e994a86c16f67dbaad935a857e02a700bce144d25bc014ebd3be3c659dd8",
    "signature": "0x2ae2d36b17918b39099e710f0d864b983d3fa102fa3143e45cba992a4d76e433286afd6cb5382cd72d0b42898be7506026ebe07ce4fb940b94875a7f57ea64651b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}