{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129329734",
    "entityType": "User",
    "nonce": "0xb625ea864a6e9d278c8c421b7575f24ad2b480ce666bf0dc553c285f5b284347",
    "signature": "0x711775aeacd5879aa33c82023b8a1ebfe9c990f335ba4567f04e3d1ea2f20f7766b18f66e64c8cc2e04cdb31e36b882fab58700e1a93bf2dee8a4b6abd189bdd1c",
    "signer": "0x94e25B42cB2a977e564528D4eB330043C4ebCc14",
    "userId": "644945976"
  }
}