{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "891872974",
    "entityType": "User",
    "nonce": "0x1d63dc918906885bcec271ae878a0f12b4de14172ce04060289c45a7b0a8dbdb",
    "signature": "0xb0b7013a1df1d81ae87ea771c16cc663898040deedfc25386d84ae38712f334032930d7b8934da1d86a9d757a26499fdf0dbbc7546f6ab80914820663d494aec1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}