{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203752",
    "entityType": "User",
    "nonce": "0x79d5ef760b3f4227380632dc7a38cb6833bd0b174a46ca4114096df3168f95ec",
    "signature": "0xde458ec3e8fde2d9d1214909a96eeca089b2e85ac149dd4ed1e1a39c401992a4197815af7fdcf87bf2fc3d5498710d4ed3711a10596d5ca24bc73266a26e6ad51b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}