{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90959",
    "entityType": "User",
    "nonce": "0x7cf83ad77c1c6c0809c886a47281d619f9abbd2a055f23d9d844b9edf9060a83",
    "signature": "0xf214172bc1616683d6110bbfe10f0e1d02c07f41ae50534713a889cb749efee52fe0d65bc2d0b62aac2434dc2e66c0664136eacd3900d7c0226619a543df9b611b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}