{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465536703",
    "entityType": "User",
    "nonce": "0x96a5d86d73eb54f13f7fb5b8993e9b945592042f7048c3e68b9f61a86d27cf6e",
    "signature": "0x0f3a8797ebbee2380e69cebbd154b3cd1d987442c3bf8ecb84abda0ce62a1f126627eb06060d129f569adfa2b2f195decefdb6290523179011cea5e11640c5351c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}