{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328915105",
    "entityType": "User",
    "nonce": "0xa78c246b90b8599095b2ac2d24913276e8f4989df10f33a2db5304499cc0dac8",
    "signature": "0x3a9ba20c96a5e72a01aa79280df0179ac1ac4b30e559e99f1f9ccedb7084400125e2b4b43d36b5758b0d295c12d3613ed45e6ef43a45cb55dbb5199216f451ce1b",
    "signer": "0xC3292D1c5a77306Fc761537D80c8EeBAfF3b8Bdc",
    "userId": "3964985"
  }
}