{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97773",
    "entityType": "User",
    "nonce": "0xeb84c92990790adf118876ef62ff6998b1a4286121a077b3567426c6c764fee9",
    "signature": "0x03925fee29a724d66cf5eaa032e2fb9deb266a5e45b6bbc0d6c48848f26ef95313d9a6d3cae3082cb3b436c0f04a85db60d7b413b892f0c441a51a50a008c26b1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}