{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18168",
    "entityType": "User",
    "nonce": "0x814525c1f480a78c829ee7fdd195b04a161793f89adf98d1a794ed2507d30c0d",
    "signature": "0x91672587ce249b2146135682f25b8ce4aaf5f0e7df362b98b31d74c36a5ea3676b650cb03b9cf5138453caecbc5fd0727b67dc8757ff5d3889c2c89d033a100b1b",
    "signer": "0x8bD50Caf0D290982E2705EBe89ED8fDCA620224a",
    "userId": "392289893"
  }
}