{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55369",
    "entityType": "User",
    "nonce": "0xb6769483d22cfb7b6f599a2c63d1d075fcec2d5c5620fd2a1a93e079257d3eb9",
    "signature": "0x58f9f9e4c48e338d9d7fb31e2369830eb620d56e41fd9d1b3cc01003c90ecaea2ccb66124b13dc02273d98530ebe23d97d8bf8750c7d99602505809321e16eef1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}