{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x819daa7f7fe4cb167e9a570fc9aafe87e0e76dfa1ef5ee8f06e23d86e527cc18",
    "signature": "0xcfef67288222882ed99bca5e626ed020bb643bbfb6913bd75fbcbf2c27040ae42e0ec36e5cd328111186f0ba977b49e2bde27d5943f281b8dfac6bdfed6233bb1b",
    "signer": "0xe6694Cd4e9B035f05AfC0e12202adfeECa1Df55B",
    "userId": "473091022"
  }
}