{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "402",
    "entityType": "User",
    "nonce": "0x17bb993ead8c9537231e39c2974a6da8ddd16144a5a65961b18bbc28e60286eb",
    "signature": "0xf85d5e024b8300cd622b44d01a4763c88572ca801e4729570d631df7f80c41057a41a2b65c14d251c4ac093da685a59f970a394d1d00f5402ea89a974b5a10b51c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}