{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67558",
    "entityType": "User",
    "nonce": "0xa4dfe414cfd266b9fde96444890894096a9b768980ab8ae53f81e6a35d1e706a",
    "signature": "0x59e7dc6c1cba554b71227064eebf941263556e76e78d0f7b9d682dd096d9d18818c5eab91f33c13a2cbc9674d6447c7a4355df453edd05f53c1f9542b1d1b2f51b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}