{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182428",
    "entityType": "User",
    "nonce": "0x0eaf16718c34e3c04a335e3925d39c110534bbc08f832776ef2895a63ec64027",
    "signature": "0x16d339f66fcfd17c3a74059ecac9103b8365a582ea4cfa4a8bba51eb84ad30886d351688a3767676fea0b82b75957188f4999cbad285fa8a6fcf0276f74f559c1b",
    "signer": "0x9c320C2f7A61EF6f1f62d2eB1a8D2c30dBc29c24",
    "userId": "543327273"
  }
}