{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363614",
    "entityType": "User",
    "nonce": "0xc20b752713559d488936c04f839fb54d35b7ec0a989b2f748132377dfacc3299",
    "signature": "0x661b1f4d9af972fc2764093089af57693f5cce9eeee22f29fcda8e13b68e8bf83ccea519cb6976674e8233d6a73d71ae4dc9ce85d05e0ea634ee40a73c6cbfb41b",
    "signer": "0xD5e21774eBFbb75367Fae64727C9FC7EB7C6820a",
    "userId": "58273052"
  }
}