{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27059706",
    "entityType": "User",
    "nonce": "0x28be87231d7d1778cd1a631f5d0765f5881bf8e90285da3aa205666b38e01620",
    "signature": "0x5d6fdd09cb2ab94ffa03ee14fa80fca0643f9dcf692e0547b02a9582e2eebec67447ee374b0c6eaddfe14f834df642ef2d8adee9b50aa2ac4d8a03b66a70bf561c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}