{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3099a2a13320d3ef4d661e3003fd26d7995d88d3c681e7fb675a5d6213b1e248",
    "signature": "0xdb792ae0dccf8a00997f8a1b6d6624cb237cda196ff8b9005b89f05a8a2ad40e1433b79de3d6b37cc340cadfaa9504c2a0be4ad3f7656ed2d518b6158d9528f61c",
    "signer": "0x31D150118CfD75C4505465Ab6C75C10388b88C7f",
    "userId": "394467209"
  }
}