{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6118",
    "entityType": "User",
    "nonce": "0x4bfa91e164ce7e5360b68b10f5758dc5a684332983a79d7955432e69b8d73350",
    "signature": "0x56d322c9e8f998820e725082e7f2ba29fb28d58848c30cb9e0825f14b98d5ed9419c096ae82f2a53f84e5819013a770d45ecf0bf7c266316645f90359d91d33a1c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}