{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xcf922f431fe087fe6d5c53dc583c59428b0d2c377d2120712597dddfd2652d1c",
    "signature": "0x1db014071baa174fc03752ee629291cc22297cce8e0ca5d07ef26e93c33c787f69afc4b7838b04937e58c0dd8e5df7e248b16bfb2f32216eefcf5d9be76028061c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}