{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40050",
    "entityType": "User",
    "nonce": "0xb22e91862355d9becaaa67174b2a0928454e1e08d4442cd78045b1756b97a53f",
    "signature": "0x6f30e5c67794f83a3843aabb288e249dad501640dce4837a144ad02aad1f4ad03dd35a883404ff0c1da723532d920ed1661458d52460caf0a8b104cc663bbe771c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}