{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x15391375e3069a2662b000ccb8fed6f1b89deda2b2e7bb578098be145ea4b524",
    "signature": "0xbd519d43afd9d838076aec952ac336d7eef735a3e0ac8470ce92f8f750013ab91a104659a615e3da53c2ea404353475ab5a0e9a173816e4a8249cce4b74cdb1e1b",
    "signer": "0xCF37605ee4b144e8878B9A159031027881CBa2B4",
    "userId": "36669256"
  }
}