{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1413081",
    "entityType": "User",
    "nonce": "0x35b58eab5c4de94964fc2114a165df0d8d9c804ebc390d5b51fa3bcbc859366e",
    "signature": "0xa2e74e34a3825ec38b45516aa7142d117e5620bd8f3e228865843cb6ce1a73213cb80849e932bb51650291bba1b3dcb8cd21fc7e68f087fb3ce16ccf6003687a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}