{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "702996",
    "entityType": "User",
    "nonce": "0xd6b202619ead42190d5751b5c465d82fbdc790b83139448db68c35703540d62c",
    "signature": "0x6f063c531846a8047ef35001eba8e932a935679db3559286a71408a521bcee670c1cb826083fbebf049f2c346a939c6e9780df6e34f853a05adf3f7a45b0f9911b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}