{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8379",
    "entityType": "User",
    "nonce": "0x44dd24bcb1241f9922613d42aa7b7fb80bae90abb5677a04f6dacc686383f0c1",
    "signature": "0x259ad37489e1f24dd4f974c667026488ad34b323c95b2f95ba46f019a766d97b54420b354f45096f2838e56275cea31f01947b48f423c95b6f0379509fc24a801b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}