{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120328011",
    "entityType": "User",
    "nonce": "0x942bcb496b2e6c23ec52a05dd8542793c54ce47bbb40f31054fa4e363990c04a",
    "signature": "0x0e0842060683ce0740acef285ddef83d833e928f1772beb250619f9e1af59c887e8b0394080b3cb0af0fcb42b85d1abd151102127d35035f6b62627e76926dd61b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}