{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154253595",
    "entityType": "User",
    "nonce": "0x679ba44e722bb40ad4f25c83fd3a6ac301361fba5f635edfe8a0a686f5236522",
    "signature": "0x82756c102b50650da87d84013a0fa35301b3e78a3f28c2b748b0c5d570aba4dc7e04a181ab2105e443f91242fa13c2aafb07b5033daff5d6a921bc6724e5b3281c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}