{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "697544",
    "entityType": "User",
    "nonce": "0xd689bae11ad8ca0e8b036658ab172b61c09ff6ed4cc42d4a8e07c48fa5358101",
    "signature": "0x0b92875aead3629fff052bead862ee3433e621ee0f6cb1dd6c2ab9fbc3b470bd516f7e49a72fe1ecef048f23816132389e5399607601a79368bb0bb2bd22d3341c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}