{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x74c547ca5ade3cc5e0ce6c0ca390ae80567711811f28094c0fa822be9862c85c",
    "signature": "0x1855edea40f3fc8333a54d4709b164a892b598e8c15632bcbc4e42b71b8713a34a0074866638668d17ba0bc4393510f76b3560f2e5a69b3d05bd6c254996ffbe1b",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}