{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "533552952",
    "entityType": "User",
    "nonce": "0x92e72882337a04125b9a364f361488d69db70ad1730f9d0547dc09b92dc7c09a",
    "signature": "0xbd8a50c22fe33fdcbd2add8c6675f662a3094581aa003a30c8da58739ed6e283422e4adcd6674b31264d627c3d3d30e02f4fd1ddcb78ce197c9b5c76f90e767f1b",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "105826"
  }
}