{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0xa0009bee4e92af9767a6a7814f1bf247a01020d66dd3ff133fdc34dbb9f785f8",
    "signature": "0x682003f4a4aebbb1827b6d7345e17f1fac62867b178a8a2c3f03567549b4644c7a3253c3e02640e2fd50d1e6fcb258ff5ab458898de7bdd96b31f039438e531b1c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}