{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6dd7003962ad28582adf467bbcd94877239f1c5f7f14c26caa97b4fee9e1f20d",
    "signature": "0x66e74f6bd21bdb8f950d6f18bb9ceca6e75f51434b74c8109a9df966cede2dc0335859fb84db4cc286ec11b63ab886a1e391e650cbb0ee453024248dc806b32d1b",
    "signer": "0xCc141eEDC0070506A1f065eF09C217717979eE5a",
    "userId": "181662261"
  }
}