{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200945",
    "entityType": "User",
    "nonce": "0xfb73a80ad2210543243fd6b3729091aa38e650a694fc388a18b805ff0a92dbf6",
    "signature": "0x46d5aba9dacef380ca7de8f6082f1457259a1508a0673898b5e678fd82dec6df4f593b1e5469fc108ac30729e2fb215b572c16d3da9b65268419047fd29a7d361b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}