{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38568",
    "entityType": "User",
    "nonce": "0x5ff64291fd796d796339159cbaaf7cff39d799c3320ba5efc87fcd2a7011132c",
    "signature": "0x9fef341a22438b86787b2414f3d347e31e4d9c32ee3d6d1923357de8bc79f05b285897148a477bba23cf777561eede59a65ad296453e43b5f66d657fa9bd9b5a1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}