{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "160917",
    "entityType": "User",
    "nonce": "0xb0d637221e1ba8fde68456d847a85b09df037a7229dd99b38cb3ec7d7fb197a5",
    "signature": "0xd000a5fe31944c94581746689cdc601ad3efe6263e40093b531e526093cebf716ab49dc2df7d377835d03db8add34f5e2221f58e334b19681ea62dbff30677471b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}