{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103214",
    "entityType": "User",
    "nonce": "0x76dcf90f18f475c00a5903816c5cb759d64138b79e29efbb1d2eae9389a7a7b3",
    "signature": "0xb52765b9ff959f06cf4319ab3b553682a446db39b368d1720541bed205ffb07c000e11f32fa5ee8edba9517903798d50313f3332c2af31c2364d65a4411eaa2d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}