{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97572",
    "entityType": "User",
    "nonce": "0x0d2d22528b9fc1c3695856dcddd8b8e965475c2915f7d1cdd9270770ad705443",
    "signature": "0xc71cdc26ec50658bde675dd01d59b8dea37da833d423eff9170e1d36c0433fba00853481033e9195b85e5e7ba4cd4a88052dddfbb0078dedad910fd86f0aa6791c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}