{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xefc3d6ccd9be627f33d19a57dd682fdea1744f171c7d8beb91ad51d604a8fa3e",
    "signature": "0x1e5db90ce54344ce41e5b1dbd5f453a0bb407c1f227415834d0aedd0f495d9556c5ec7f5c49589b00d7641f879afaedcf6cf8c41efa8458082c0f1f9149d08241b",
    "signer": "0x6A63565fACB2f0784A88d43920Fd58c10d584dCB",
    "userId": "705145649"
  }
}