{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111540320",
    "entityType": "User",
    "nonce": "0x8eb43eb663f4c233717e76164149093ec8565f65b5776495a1558f8bd8a02d65",
    "signature": "0xf70b557f0f75e19022fdcb7374a2db8578ef90ec0b49c44b2925a12aaec98b6e10739b02bb131d2be8c25abe0de61f02d85dc642b94ef908a27f34168267241b1b",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}