{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316255",
    "entityType": "User",
    "nonce": "0x34e2c05e642cd9ec4584d686c583d045eb589bf06f9815694efaba1e8003d297",
    "signature": "0xf08e977bcc5d68dc845e52d34765e6e624ca4570f57516a32e0a3d00738547c37f8ec36e3679df1552eb099f4a45aa57675d26980527ea48e9037e8129da40721c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}