{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "209848",
    "entityType": "User",
    "nonce": "0x19fc36e2db6021e3216fe9b7f5f1d444e848d1e534fc2b17f46b0dd05dda4326",
    "signature": "0x91170aa5f1382dceab3aade4355b3b1aeff6ecd6a0a98e87a669b94136ccd30a4b01296cd5ecaed38b8f422ae17fa2272d6df03e8d8ecd6802676527113351771b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}