{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6220",
    "entityType": "User",
    "nonce": "0x66c8532233c94380aebca97320b337d7550acacf6957c1b35033574196cb3d17",
    "signature": "0x89a649de08f77d4d567b5f83f8c11c32accf98ff9438f1621a0287be19814ecb68ff7300cb9cac057739e9fb627f1924c9f8f0fd76b4d29a3586fb2c537084ec1b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}