{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaab38c50394c849c3ca0c94cf35a1d6d4b623ab66d85eaba863ededdbb9e7024",
    "signature": "0x67f9f6606329afde29ba091a2d4b17d3a5315927f5fcfd004635683dfccd5328401fbbb3c98d085a9be199687a22e17552c6f3fcaf57a42958af17682e9e4fee1c",
    "signer": "0x33CA03B2d958f2c78c30E352F116EbCbec3e0109",
    "userId": "733564464"
  }
}