{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74183",
    "entityType": "User",
    "nonce": "0xaf3cbb4681d77b917fef431731d1b66905bb99c82098770a3e8aece3ef1bdc39",
    "signature": "0x2ca140acbbe702e502585066ccf6bfcde81338d5767bb147b7a71c7a2cef584978f28e473ab13e81d1045bdecb8c56de53f9a66a0ab2c58cfd1e8e459662656c1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}