{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186415718",
    "entityType": "User",
    "nonce": "0x2c8b39c3c69f01d3ca0ebd4393d5b7fe870e13bdc655eb129e71ded23f6bc7f6",
    "signature": "0xf21511942c6d696e8112ee80cd2dbafc00a7e4d900d7a8c8b1738f7bdb0555876db1475377a18e6f6907c755392ea48798d856eb35bdacf30dccaea8701fb6d81c",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}