{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5326",
    "entityType": "User",
    "nonce": "0x2db0237e2db88b14a05fedf26d4436ddaecf8bfd7f8b00944fd9dd7edcae5806",
    "signature": "0x1ac1f0ef43ba171508ab2d71e52437018585f1b0fe8f7b4de17d99cc7b27ab31735aedfddb3f7346bccb363938a0ee64efef806c3055316ab5503f02dfa86a611c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}