{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0x82a14ce059e3b95803d6ea9a86858c4bdd952a88c925c03b28fee6759a1615a5",
    "signature": "0x0c237598aadae08d34cb6fba40e590c8bc6fb0e00c35c44f56d8f911eb87ed3e619309f4b378267ec87cacb1aead2f401d84d33ba934fd2b0415fd5808720a741c",
    "signer": "0xD4075518293370C8887D8dd80B16bc683A59D633",
    "userId": "743640235"
  }
}