{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2016545",
    "entityType": "User",
    "nonce": "0xed2149a8208b1a4d2edb8d1d81d1c74e98436c200cd7801ed019beeb2d6f77de",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}