{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274364",
    "entityType": "User",
    "nonce": "0xe2875a87d7b1961ed9ba0183947ca13f28759b5da8c27be556fd13eb1714d965",
    "signature": "0xb2360228c6fc58a2a0a72b1be5042053fa9b5b93ff8038ad0550bf87c9268dfe7489f3aee7575cf400003363b94c63bedf7f089819bd1d9d27ed2fe98f6550a71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}