{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33395",
    "entityType": "User",
    "nonce": "0x7d345517c9cbe47be3af454cf078b8d86bc6fe10aff11d2f56359b8066cf9cd1",
    "signature": "0xaaaee18bdae3f47778e3523f4a1bf6762c2ce75893638ac4a67f678b1495168c6fbccd5eaab5d6cdb95bde2d28cf4edfeec68de41376f31a40a5687705c48c6d1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}