{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131345",
    "entityType": "User",
    "nonce": "0xbd158552dc6bb57d26d940ec6329d7b9858fab755f8f3099bd850a46bfe920f7",
    "signature": "0x77776faa31d5785ea5d90bcf5edb8b57dd63dcd8eb036fbc8cf44d46544d2c402583fc3b16fbc44323c6dacb0074ee86c397a5e3e8df63e8ee751a8753d8c1fd1c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}