{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269169084",
    "entityType": "User",
    "nonce": "0x48ff51f9d8c964d7dfd0cbe3989a8add57479372fcdd565e842387d65365f2d9",
    "signature": "0x04d97b55dae43f7a9c1b843649d94fae97e7d5bd674c1180f662fdecea34bae405debbcb435a8aff7a0186a54266bc993d6c0a4d26e4143a78409f7f6cec856f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}