{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "922259554",
    "entityType": "User",
    "nonce": "0x883cce406b9e39dc27d9dfb3adab5e61ab7111b6f8e37419e174c05f939d9462",
    "signature": "0x8d32c9eb1fadfbda9b957a741513f8d59f7c456f24c157a0846832e3e8db3e3b23a33f757104be68ae43828b93b49cf7b499ec337ebf9760da3b139c2786d9f41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}