{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57113",
    "entityType": "User",
    "nonce": "0x47961de229a3a3ad0b16c3fa52c2021d3ff587131c24ed52df7ac6170b236e1e",
    "signature": "0xce3d4ec4d170654239732d7abca9ea4613747d9fc604e1a96def53d23ba2c9e158a946756d66c69c47e0c250847b53cb50ac34fec57c8722fdc2b98778ad6f4d1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}