{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786939",
    "entityType": "User",
    "nonce": "0x0c67af45ae47859634504aae1695ab4a7525537767775fd9a78990aaa5f11a22",
    "signature": "0x04adf7adcc5d1fea6dc3c630239e0a69238bf563696526e3fb7dc8198773e7101dca2c651b1527f5c0a20908e681be28cfed66d2f740c99c3db17c993d9add661b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}