{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107170",
    "entityType": "User",
    "nonce": "0xe4c3cc92b3a48a525abfded51f6dce1ac4bd60f74d44832816b00ec6e7547dfc",
    "signature": "0x0b7a8df7e5a8b10551319cad226188e3f8f3c301785bfd9e76d6d3923b4e12121f98878448b6bc1266b213a4fd0fed09d2c7a50767affc6f93e120f56971c5fd1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}