{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa953cb33cb6e8dc0df5e1baa2d85119cb574c2f6f0708ebe2b6008c359ad4c0c",
    "signature": "0xda0257359ff2d8c8be1543eaeba91654f8510bbc4e2e0a732340d84f16d576552a473d51a5de2db7aeaae9b60f013fde296691d8dc09542fa3d77b1f99fd9ca31b",
    "signer": "0x05fC7F397A0Ef264c87B851B5C0E4336dEFaD23f",
    "userId": "483595670"
  }
}