{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370547",
    "entityType": "User",
    "nonce": "0xdc2b6ea07469284ef9f8f60fd82250a39ae7c2c5d0e46333390c25537df9fb57",
    "signature": "0xe0512cf7443e7869ce2b456c0dbfdf90e354cc4e0dd79e17e80c2709e967bf8c5ad25a5b8fd4b83ad30e3d5e886c30d495f8122bda9679741a794a33ba4e7b221b",
    "signer": "0x385724dD7df996433e732c73201a749C6B37f65A",
    "userId": "260480467"
  }
}