{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "762208",
    "entityType": "User",
    "nonce": "0x8b456aae3ebc98d10194f71478cc67309595f43f1a1732c7321fc1df4e8958a3",
    "signature": "0xdacdd63a48c7438af3c485a11deb9c65193eb4ed7435598a501beec55b326a8f50edabf773ddc5eb441a772124bc3f1f93ec8f96f4ef4c8ad5b26c0cbc554c081b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}