{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274627911",
    "entityType": "User",
    "nonce": "0xcc026d9a8e6a03079f322ec26d0c5004200df2e3571158942c81f874e30f0683",
    "signature": "0x6037a68e3bab7f7c494dbca8e1d67f7705bccb2dc130ca5ac415dd1598fc2223622094e268d4304ccc3e4e47be9092c24ce1e9cb1aa23a5a92910690a1c0f5a21b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}