{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44159",
    "entityType": "User",
    "nonce": "0xa72b4b83087d6322f43f8b728434f0a679c83047be9e9865887f070143ab1c35",
    "signature": "0x5ff3a6c91e3b7cc78e3f8317c9d16eeb9883a0ce01c6ec03a4d2e86377fff3f248780a504b8b3a2f7ad3498eb60d61d5cf6a5fad33c4c58bc7edccc3717a28161c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}