{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1707969",
    "entityType": "User",
    "nonce": "0x82cb0be4b9eacef58e72ee5a0fffd43900d4e35ad986187121ea1b26d76c68a0",
    "signature": "0xb157511ca122d5668c05a3b5ff5e056418b497be5b46a15813cb27915f300a270300614170ab7dff5e7bcb186f9d71d5cc13f24b7588a7355b5bc24f7e4488621b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}