{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45970",
    "entityType": "User",
    "nonce": "0xcfb293446b179ee79005ee02303c4ada6167fcad7e56defc632e9f38e688c80d",
    "signature": "0x9fc41905f73a70b0a3ada98cf4728b8794e0da94ceaec0aaa574257b3234f5ac54205b8b0fabad4596575b8d65e8046388de9ea96f84d2327d706e2bace7eac41b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}