{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0xfa5a1d9c00305f1d567fdde22bba75995f3f7ef7005f1f78be2eea1f17c2b4f4",
    "signature": "0x66381a069a48b0d13da7d2b2e95349470604e88a585977e728de84543f8933e37d6ac01b20ebe90cd40cbac9e4ac047aecdc45c2e96f72d006408155ec0ad4701b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}