{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "466266",
    "entityType": "User",
    "nonce": "0x77ea7efa58c7bac0178b3ccd7f5cf4828a5f4e9c6be1792c0eaf8b5f7b1a046e",
    "signature": "0xc343655f728a52f4f9328a6d43f4d2295501399318f6b1c8821ac9e9d48e48865d088960e526f09785c1f53232711281f45d0c004a438ccb4c6a46366cda89381b",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}