{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67066",
    "entityType": "User",
    "nonce": "0x303e4207ce0144c753b1e3d76fdfa6c729769f22ef41f62dd2e6b220c0835134",
    "signature": "0xc875586ce9e7af25e90171b32ef4ca428da81df66d9cd13cf7d7ed0e2ea5e6d610dd31ce09d037cf89f5b6399029396c0dccd96e1c9e10671510ffc27ac186001b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}