{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60644",
    "entityType": "User",
    "nonce": "0xe6bfcd1f9481d07b48e428838a229b78bb4ec0a6d47efb33ca51beb033e3a391",
    "signature": "0x6fa47984527f7ca8c8f2cb46f13f85d1a7104d68decdf26f17523680eeac978b7ab203d43c8f3d36f257d75ab4ecf2bbb53b831fd37b399e8ccd4ad04f9f3a731b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}