{
  "manageEntity": {
    "action": "Follow",
    "entityId": "21640",
    "entityType": "User",
    "nonce": "0x76479880ba2f17d8eddc52d2afd42be61f058d4d28374f56ca92bee443e100d8",
    "signature": "0xd6ff74b2243c2fa74ff1e0ca1cac3fd9c620246cc7eb4d9296703f422e43b38b611e86e54a9e728fe0a98435c33eba3935f037e2110033b26baf84e87afaf5571c",
    "signer": "0x16BE3cc7Ee03C75AD10a94fb7234B045D351825c",
    "userId": "66529124"
  }
}