{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xe07d85fd2f121d4184c7be366021e1197773d476c6d5ba0f6ad3d53fc3ed3355",
    "signature": "0xc905c19183b23041675b147fef7653700fdbbb84a9190bd09c22e27b833eb39539e2df266f7edb0b8bb6930a9e81d7940fe52967c81d2cd6aa8dee9e013569c61b",
    "signer": "0xc26eA8B58Fc9bC4B812DC6e0869c73b1B0b8B900",
    "userId": "746820395"
  }
}