{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "849737890",
    "entityType": "User",
    "nonce": "0xed0c9e0cc3c61c8438f7812e4ce8cdaa18ab82e6fcb7b8caf0da00a9678e4a35",
    "signature": "0xf6843d34ec9c82e5d44546ab7eee262aec3cae469130965634dc899a465747b656504b49a03fdf6d46a00226c73d690741cf832126df44ccfed0c519ae77fffd1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}