{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1755",
    "entityType": "User",
    "nonce": "0x6a2a219b0556a1f3bbba941e0a88ef7a85f2796c0ece08a1aa8cbc0f14faabd9",
    "signature": "0x946f187d47a6577830e5eb63eaacc4578ec5b753e98beae62615508c53e2622d6886ae4d4d06eb5a9998c378a9e850b3ffabf88885e5f6935f857874f6a3eaef1b",
    "signer": "0xb8909c41963586dbBe3EbbAB4FC8F1f8E6970Ce2",
    "userId": "435332232"
  }
}