{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145397",
    "entityType": "User",
    "nonce": "0xc4e9fc68985c079d1666fed6c0892f18e724eb5eced393026822e4289881d486",
    "signature": "0x9601a0a64fd72d3f6fd8291d5772526b8702544b099b40032f5378db43beb1e213e972ddb7583546cb500d23bf42a4b21f567f05b1085394834eba2ef39abd791c",
    "signer": "0xBe9beC7e06Fc4ca83BDb1675080AeaC3cafaC633",
    "userId": "1792066"
  }
}