{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62213",
    "entityType": "User",
    "nonce": "0xd57558fc983d1056f6aa1389499fa7e1e57855b7509cdb7478ad6d517a1b1d1c",
    "signature": "0xa85d95c3dcb73e3044da52900ff83298e4fc70c05cc12e0a5174bf79f43a1da876d802288615aa881259ec5bcbef5ba7d80b6e42f211d018311568874c2d426e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}