{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105879",
    "entityType": "User",
    "nonce": "0x019550671c6801094102a2e4fab52356104e21e6a08b1f562fcf0e2c2a4dfd8b",
    "signature": "0x051aa8e2ac09cb322f57ffa5db424179ab6b7054feea8039486f17ee358cc89d4950336ebe373f2ae847ff3cab0e540f82990f877165f7269eb095556dffde161b",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}