{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0x94c0bec826d2ecaeece8c87382daa4b8c7d31465878fee7a30738fed2d327103",
    "signature": "0x3259a88dc99e6d7668b0d91718bc30471e1da7a4e98357a85a0aec548aa4fa3964a466de42d932339a7e952bf32f2b004d6378267342c0c7a0677e5f690cbaee1b",
    "signer": "0xdf3d2a565Af22F148bCeAc938CD60CF50aD01907",
    "userId": "1686476"
  }
}