{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38769",
    "entityType": "User",
    "nonce": "0xa7e2d829b6800f6268fef093bd867776e3416bf5486a4948d25aaf7985570a58",
    "signature": "0x2b2c7b37c0d8998aa4e02b0dc5e26199b97dce5966a8ae1c19df6306925b6a6969b3afc3686f625654d06d153d3327517540d72634af5d846ce6c11e499fd7da1c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}