{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64562",
    "entityType": "User",
    "nonce": "0xe9a176945abc3f477dc9bbe3a184d8230725b54641b6d6a53e578cc5100483b7",
    "signature": "0x243c2d61697301e6ff6d4fcf564aa316589058481bfc041e6a1b148124913ce93cbacd684f31222d33c46067d0e9f4b0543610b411fcab5236f1563c30acf7b41b",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}